infraspinatus

infraspinatus definition - medical

in·fra·spi·na·tus (ĭnˌfrə-spī-nāˈtəs)

noun
A muscle with origin from the infraspinous fossa of the scapula, with insertion to the great tubercle of the humerus, with nerve supply from the suprascapular nerve, and whose action extends the arm and rotates it laterally.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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